// 获取某一天的0点到23点59分59秒的时间对象
function getTimeFromDay(_date){
  let todayTime = _date.getTime();
  let startTime = todayTime - (_date.getHours() * 60 * 60 * 1000 + _date.getMinutes() * 60 * 1000 + _date.getSeconds() * 1000 + _date.getMilliseconds());
  let endTime = todayTime + 24 * 60 * 60 * 1000 - (_date.getHours() * 60 * 60 * 1000 + _date.getMinutes() * 60 * 1000 + _date.getSeconds() * 1000 + _date.getMilliseconds()+1);
  return {
    startTime: startTime,
    endTime: endTime,
  }
}

// 时间格式化
function dateFtt(fmt, date) { //author: meizz   
  var o = {
    "y+":date.getFullYear(),
    "M+": date.getMonth() + 1,                 //月份   
    "d+": date.getDate(),                    //日   
    "h+": date.getHours(),                   //小时   
    "m+": date.getMinutes(),                 //分   
    "s+": date.getSeconds(),                 //秒   
    "q+": Math.floor((date.getMonth() + 3) / 3), //季度   
    "S": date.getMilliseconds()             //毫秒   
  };
  if (/(y+)/.test(fmt))
    fmt = fmt.replace(RegExp.$1, (date.getFullYear() + "").substr(4 - RegExp.$1.length));
  for (var k in o)
    if (new RegExp("(" + k + ")").test(fmt))
      fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
  return fmt;
} 

module.exports.getTimeFromDay = getTimeFromDay;
module.exports.dateFtt = dateFtt;